Why MIFARE Classic ALWAYS use default keys ?

Forum / MIFARE SmartCard IC`s / MIFARE Classic / Why MIFARE Classic ALWAYS use default keys ?

  • 30. July 2019 at 12:10
    Hello,
    I have a question which can be stupid but still.

    I noticed that almost all used Mifare Classic have known Key A such has A0A1A2A3A4A5...Since Mifare Classic are not safe anymore and easy to clone, why is this kind of keys used ?
    Maybe it is due to the way of personalization that I don't master, how manifacturers personalize keys ?

    Thank you !
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